Home / 28,332.04-39,097.66-15,756.52

Finding the Fourth Proportional to 28,332.04, 39,097.66 and 15,756.52

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Solution

The fourth proportional to 28,332.04, 39,097.66 and 15,756.52 is: 21,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332.04 : 39,097.66 = 15,756.52 : x
  2. Step 2: Convert to fraction form
    28,332.04/39,097.66 = 15,756.52/x
  3. Step 3: Cross multiply
    28,332.04x = 39,097.66 × 15,756.52
  4. Step 4: Simplify right side
    28,332.04x = 616,043,061.74
  5. Step 5: Solve for x
    x = 616,043,061.74/28,332.04
  6. Step 6: Final answer
    x = 21,743.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.